Home / 38,979.90-58,320.18-22,347.90

Finding the Fourth Proportional to 38,979.90, 58,320.18 and 22,347.90

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Solution

The fourth proportional to 38,979.90, 58,320.18 and 22,347.90 is: 33,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.90 : 58,320.18 = 22,347.90 : x
  2. Step 2: Convert to fraction form
    38,979.90/58,320.18 = 22,347.90/x
  3. Step 3: Cross multiply
    38,979.90x = 58,320.18 × 22,347.90
  4. Step 4: Simplify right side
    38,979.90x = 1,303,333,550.62
  5. Step 5: Solve for x
    x = 1,303,333,550.62/38,979.90
  6. Step 6: Final answer
    x = 33,436.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.